This graphs show the changes of the population size.
f ()
f’()
f’’()
f’’’()
f’’’’()
50
100
150
200
250
250
500
750
1000
50
100
150
200
250
-5.0
0.0
5.0
10.0
15.0
50
100
150
200
250
0.0
1.0
2.0
3.0
4.0
50
100
150
200
250
-2.50
-2.00
-1.50
-1.00
-0.50
0.00
50
100
150
200
250
0.00
0.50
1.00
1.50